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whipray

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whipray: see ray ray, extremely flat-bodied cartilaginous marine fish, related to the shark. The pectoral fins of most rays are developed into broad, flat, winglike appendages, attached all along the sides of the head; the animal swims by rippling movements of these wings.
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More specifically, the sensitivity of the electroreceptor system in the sandbar shark, the blacktip reef shark (Carcharhinus melanopterus, family Carcharhinidae), and the mangrove whipray (Himantura granulata, family Dasyatidae) are roughly equivalent (1 to 4 nV/cm; Haine et al.
Another elasmobrach in danger is the freshwater whipray (Himantura chaophraya), which grows to two metres across and can weigh 600 kilograms.
In 1995, temperature records were available only for Johnson Key Basin (JKB), Whipray Basin (WB), Little Blackwater Sound (LBS), and Little Madeira Bay (LMB), but spotted seatrout were also collected at other sites (Table 1).
 
 
 
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